pro·pri·e·ty 
(prə-prīĭ-tē)
(prə-prīĭ-tē)n. pl. pro·pri·e·ties
1.
a. Conformity to conventional standards of behavior or morality.
b. proprieties Socially correct usages or behaviors.
2. The quality of being proper; appropriateness.
[Middle English propriete, particular character, ownership, from Old French; see PROPERTY.]